{"id":15322,"date":"2024-06-17T17:51:14","date_gmt":"2024-06-17T09:51:14","guid":{"rendered":"https:\/\/moldiecasting.com\/?p=15322"},"modified":"2026-10-08T20:17:15","modified_gmt":"2026-10-08T12:17:15","slug":"die-casting-101-an-in-depth-look-at-the-process-and-metal-materials","status":"publish","type":"post","link":"https:\/\/moldiecasting.com\/ro\/blog\/die-casting-101-an-in-depth-look-at-the-process-and-metal-materials\/","title":{"rendered":"Turnarea sub presiune 101: analiz\u0103 detaliat\u0103 a procesului \u0219i a materialelor metalice"},"content":{"rendered":"<h2><b>Prezentare general\u0103 a turn\u0103rii sub presiune<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Turnarea sub presiune este un proces de turnare a metalelor \u00een care metalul topit este injectat \u00eentr-o matri\u021b\u0103 la presiune ridicat\u0103. Aceast\u0103 metod\u0103 este numit\u0103 adesea turnare sub presiune \u00eenalt\u0103 \u0219i este utilizat\u0103 pe scar\u0103 larg\u0103 pentru fabricarea eficient\u0103 a pieselor metalice complexe \u0219i precise. Utilizarea aliajelor neferoase, cunoscute ca aliaje pentru turnare sub presiune, precum aluminiul, zincul, magneziul, staniul, cuprul \u0219i plumbul, ofer\u0103 propriet\u0103\u021bi distincte, cum ar fi rezisten\u021ba, greutatea \u0219i rezisten\u021ba la coroziune.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Turnarea sub presiune a aluminiului<\/b><span style=\"font-weight: 400;\">: Apreciat\u0103 printre diversele produse turnate sub presiune pentru greutatea redus\u0103 \u0219i rezisten\u021ba sa.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Zinc<\/b><span style=\"font-weight: 400;\">: Ofer\u0103 ductilitate excelent\u0103 \u0219i este utilizat frecvent la turnarea sub presiune \u00een camer\u0103 cald\u0103.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Magneziu<\/b><span style=\"font-weight: 400;\">: Este cunoscut drept cel mai u\u0219or metal structural \u0219i are propriet\u0103\u021bi mecanice excelente.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Staniu \u0219i cupru<\/b><span style=\"font-weight: 400;\">: Sunt utilizate, \u00een func\u021bie de aplica\u021bie, pentru ob\u021binerea unor aliaje de turnare specifice.<\/span><\/li>\n<\/ul>\n<h2><b>Etapele uzuale ale turn\u0103rii sub presiune<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Realizarea matri\u021bei<\/b><span style=\"font-weight: 400;\">: O matri\u021b\u0103, numit\u0103 \u0219i \u201e\u0219tan\u021b\u0103\u201d, adesea din o\u021bel, este fabricat\u0103 din o\u021bel c\u0103lit.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Injectare<\/b><span style=\"font-weight: 400;\">: Metalul topit este \u00eempins \u00een cavitatea matri\u021bei la presiune \u00eenalt\u0103 \u2014 proces \u00een care metalul topit este injectat \u00een matri\u021b\u0103, numit adesea turnare sub presiune.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>R\u0103cire<\/b><span style=\"font-weight: 400;\">: Metalul se r\u0103ce\u0219te \u0219i se \u00eent\u0103re\u0219te pentru a forma piesa.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Ejectare<\/b><span style=\"font-weight: 400;\">: Piesa r\u0103cit\u0103, cunoscut\u0103 \u0219i ca pies\u0103 turnat\u0103 sub presiune, este ejectat\u0103 din matri\u021b\u0103.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Debavurare<\/b><span style=\"font-weight: 400;\">: Materialul \u00een exces este \u00eendep\u0103rtat de pe pies\u0103.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Aceast\u0103 metod\u0103 de turnare sub presiune este recunoscut\u0103 pentru fabricarea pieselor cu precizie ridicat\u0103 \u0219i geometrii complexe. Turnarea sub presiune este utilizat\u0103 la producerea pieselor auto, a carcaselor electronice \u0219i a multor altor componente pentru aplica\u021bii \u00een care precizia \u0219i rezisten\u021ba sunt esen\u021biale.<\/span><\/p>\n<h2><b>Tipuri de procese de turnare sub presiune<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Turnarea sub presiune este versatil\u0103 \u0219i eficient\u0103, iar metodele sale sunt adaptate materialelor \u0219i cerin\u021belor produselor specifice:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Turnare sub presiune \u00een camer\u0103 cald\u0103<\/b><span style=\"font-weight: 400;\">:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Se utilizeaz\u0103 pentru metale cu puncte de topire sc\u0103zute, precum zincul, magneziul \u0219i plumbul.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Procesul presupune aspirarea metalului topit \u00eentr-o camer\u0103, de unde este injectat \u00een matri\u021b\u0103 la presiune ridicat\u0103.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Este rapid\u0103, cu cicluri scurte, fiind ideal\u0103 pentru piese mici \u0219i medii.<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Turnare sub presiune \u00een camer\u0103 rece<\/b><span style=\"font-weight: 400;\">:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Potrivit\u0103 pentru metale cu puncte de topire mai ridicate, precum aluminiul \u0219i cuprul.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Metalul topit este introdus cu lingura \u00een camera de injectare, reduc\u00e2nd riscul deterior\u0103rii termice a mecanismului de injectare.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Este esen\u021bial\u0103 pentru piesele mai mari \u0219i produc\u021bia de volum mare.<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Turnare la presiune joas\u0103<\/b><span style=\"font-weight: 400;\">:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Metalul topit este \u00eempins \u00een matri\u021b\u0103 la presiune mai mic\u0103.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Potrivit\u0103 pentru piese neferoase mari, cu integritate structural\u0103 ridicat\u0103.<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Turnare sub presiune \u00een vid<\/b><span style=\"font-weight: 400;\">:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Elimin\u0103 aerul din matri\u021b\u0103 pentru a reduce porozitatea, \u00eembun\u0103t\u0103\u021bind astfel rezisten\u021ba \u0219i propriet\u0103\u021bile mecanice ale pieselor turnate sub presiune.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Ideal\u0103 pentru piesele care trebuie s\u0103 fie etan\u0219e la presiune, precum componentele hidraulice.<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Turnare prin presare (squeeze casting)<\/b><span style=\"font-weight: 400;\">:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Combin\u0103 turnarea \u0219i forjarea, folosind o presiune suplimentar\u0103 pentru eliminarea bulelor de gaz.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Produce piese deosebit de rezistente \u0219i compacte.<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Turnare sub presiune \u00een stare semisolid\u0103<\/b><span style=\"font-weight: 400;\">:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Metalul este topit par\u021bial \u00eenainte de injectarea \u00een matri\u021ba metalic\u0103, reduc\u00e2nd turbulen\u021bele \u0219i evit\u00e2nd contrac\u021bia.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Rezultatul este o precizie ridicat\u0103 \u0219i un finisaj excelent al suprafe\u021bei.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2><b>Materiale utilizate la turnarea sub presiune<\/b><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-398\" src=\"https:\/\/moldiecasting.com\/wp-content\/uploads\/2024\/07\/Die-Casting-Materials.jpg\" alt=\"Materiale pentru turnarea sub presiune\" width=\"650\" height=\"365\" srcset=\"https:\/\/moldiecasting.com\/wp-content\/uploads\/2024\/07\/Die-Casting-Materials.jpg 650w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2024\/07\/Die-Casting-Materials-300x168.jpg 300w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">Diferite metale sunt alese \u00een func\u021bie de propriet\u0103\u021bile lor pentru a r\u0103spunde diverselor cerin\u021be ale turn\u0103rii sub presiune. Iat\u0103 materialele utilizate frecvent \u00een procesul de fabrica\u021bie:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Aliaje de aluminiu<\/b><span style=\"font-weight: 400;\">:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">U\u0219oare, rezistente \u0219i rezistente la coroziune.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Turnarea sub presiune a aluminiului este ideal\u0103 pentru piese auto, componente electronice \u0219i aparate electrocasnice.<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Aliaje de zinc<\/b><span style=\"font-weight: 400;\">:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">U\u0219or de turnat, cu cost redus \u0219i finisaje de calitate.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Ideale pentru piese mici \u0219i precise, precum angrenajele \u0219i conectorii.<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Aliaje de magneziu<\/b><span style=\"font-weight: 400;\">:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">U\u0219oare \u0219i u\u0219or de prelucrat prin a\u0219chiere.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Utilizate \u00een industria auto \u0219i aeronautic\u0103 pentru reducerea greut\u0103\u021bii.<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Aliaje de cupru<\/b><span style=\"font-weight: 400;\">:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Conductivitate electric\u0103 \u0219i termic\u0103 excelent\u0103.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Utilizate la conectori electrici \u0219i radiatoare.<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Aliaje pe baz\u0103 de staniu<\/b><span style=\"font-weight: 400;\">:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Avantajoase datorit\u0103 punctului de topire sc\u0103zut \u0219i rezisten\u021bei la coroziune.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Utilizate \u00een aplica\u021bii specifice, precum lag\u0103rele \u0219i componentele electronice.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2><b>Ma\u0219ini \u0219i echipamente de turnare sub presiune<\/b><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-397\" src=\"https:\/\/moldiecasting.com\/wp-content\/uploads\/2024\/07\/Die-Casting-Machine.jpg\" alt=\"Ma\u0219in\u0103 de turnare sub presiune\" width=\"650\" height=\"365\" srcset=\"https:\/\/moldiecasting.com\/wp-content\/uploads\/2024\/07\/Die-Casting-Machine.jpg 650w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2024\/07\/Die-Casting-Machine-300x168.jpg 300w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">Pentru a \u00een\u021belege turnarea sub presiune, este esen\u021bial s\u0103 analiz\u0103m utilajele \u0219i sculele implicate:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Sisteme hidraulice \u0219i mecanice<\/b><span style=\"font-weight: 400;\">:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><b>Sisteme hidraulice<\/b><span style=\"font-weight: 400;\">: Controleaz\u0103 cu precizie curgerea metalului topit \u00een matri\u021b\u0103.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><b>Sisteme mecanice<\/b><span style=\"font-weight: 400;\">: Ac\u021bioneaz\u0103 mi\u0219carea matri\u021belor \u0219i a \u0219tifturilor ejectoare, furniz\u00e2nd for\u021ba necesar\u0103 pentru men\u021binerea matri\u021belor \u00eenchise \u00een timpul inject\u0103rii metalului.<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Cuptoare \u0219i echipamente de topire<\/b><span style=\"font-weight: 400;\">:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><b>Tipuri<\/b><span style=\"font-weight: 400;\">: Cuptoare cu creuzet \u0219i cuptoare cu reverbera\u021bie, utilizate pentru topirea metalelor cu puncte de topire diferite.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><b>Func\u021bie<\/b><span style=\"font-weight: 400;\">: Topirea metalului \u0219i men\u021binerea acestuia la temperaturile corecte.<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Matri\u021be \u0219i scule<\/b><span style=\"font-weight: 400;\">:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><b>Matri\u021b\u0103 metalic\u0103<\/b><span style=\"font-weight: 400;\">: Fabricat\u0103 din o\u021bel c\u0103lit \u0219i alc\u0103tuit\u0103 din p\u0103r\u021bi fixe \u0219i mobile.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><b>Scule<\/b><span style=\"font-weight: 400;\">: Utilizate pentru modelarea \u0219i injectarea metalului topit \u00een matri\u021b\u0103, precum \u0219i pentru ejectarea pieselor metalice.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2><b>Avantajele \u0219i aplica\u021biile turn\u0103rii sub presiune<\/b><\/h2>\n<p><b>Avantaje<\/b><span style=\"font-weight: 400;\">:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Timp de execu\u021bie scurt<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Eficient\u0103 din punctul de vedere al costurilor pentru loturi mari de produc\u021bie<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Rezisten\u021b\u0103 ridicat\u0103 \u0219i precizie dimensional\u0103 excelent\u0103<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Finisaj neted al suprafe\u021bei<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Rezisten\u021b\u0103 la coroziune<\/span><\/li>\n<\/ul>\n<p><b>Aplica\u021bii<\/b><span style=\"font-weight: 400;\">:<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-396\" src=\"https:\/\/moldiecasting.com\/wp-content\/uploads\/2024\/07\/automobile-parts.jpg\" alt=\"Piese auto\" width=\"650\" height=\"365\" srcset=\"https:\/\/moldiecasting.com\/wp-content\/uploads\/2024\/07\/automobile-parts.jpg 650w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2024\/07\/automobile-parts-300x168.jpg 300w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Industria auto<\/b><span style=\"font-weight: 400;\">: Turnarea sub presiune este utilizat\u0103 pentru fabricarea blocurilor motor, carcaselor cutiilor de viteze \u0219i a altor componente, oferind at\u00e2t rezisten\u021b\u0103, c\u00e2t \u0219i greutate redus\u0103.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Aparate electrocasnice<\/b><span style=\"font-weight: 400;\">: Permite fabricarea de piese durabile \u0219i precise pentru frigidere, ma\u0219ini de sp\u0103lat \u0219i cuptoare cu microunde.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Electronic\u0103<\/b><span style=\"font-weight: 400;\">: Beneficiaz\u0103 de capacitatea turn\u0103rii sub presiune de a crea piese complexe \u0219i mici, cu precizie ridicat\u0103.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Industria aerospa\u021bial\u0103<\/b><span style=\"font-weight: 400;\">: Utilizeaz\u0103 turnarea sub presiune pentru fabricarea componentelor care necesit\u0103 un raport bun \u00eentre rezisten\u021b\u0103 \u0219i greutate.<\/span><\/li>\n<\/ul>\n<h2><b>Probleme uzuale \u0219i controlul calit\u0103\u021bii \u00een turnarea sub presiune<\/b><\/h2>\n<h3><b>Prevenirea defectelor:<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Controla\u021bi temperatura \u0219i presiunea \u00een timpul procesului.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Utiliza\u021bi materii prime de calitate \u0219i proiecta\u021bi corect matri\u021bele.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Efectua\u021bi \u00eentre\u021binerea periodic\u0103 pentru a evita dezalinierile \u0219i alte probleme.<\/span><\/li>\n<\/ul>\n<h3><b>Inspec\u021bia suprafe\u021bei \u0219i a dimensiunilor:<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Utiliza\u021bi instrumente de m\u0103surare precise, precum \u0219ublere \u0219i micrometre.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Efectua\u021bi inspec\u021bii vizuale periodice pentru a identifica abaterile de suprafa\u021b\u0103 \u0219i dimensionale.<\/span><\/li>\n<\/ul>\n<h3><b>Testarea porozit\u0103\u021bii \u0219i a scurgerilor:<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Testarea porozit\u0103\u021bii<\/b><span style=\"font-weight: 400;\">: Inspec\u021bia cu raze X pentru detectarea golurilor interne.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Testarea etan\u0219eit\u0103\u021bii<\/b><span style=\"font-weight: 400;\">: Aplicarea presiunii pentru a verifica dac\u0103 se pierde aer sau lichid.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Turnarea sub presiune r\u0103m\u00e2ne un proces esen\u021bial \u00een produc\u021bia modern\u0103, oferind numeroase avantaje \u0219i deservind o gam\u0103 larg\u0103 de aplica\u021bii. De\u0219i turnarea \u00een nisip este o alt\u0103 metod\u0103 tradi\u021bional\u0103, turnarea sub presiune ofer\u0103 precizie \u0219i eficien\u021b\u0103 superioare pentru produc\u021bia de volum mare.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Prezentare general\u0103 a turn\u0103rii sub presiune Turnarea sub presiune este un proces de turnare a metalelor \u00een care metalul topit este injectat \u00eentr-o matri\u021b\u0103 la presiune ridicat\u0103. Aceast\u0103 metod\u0103 este numit\u0103 adesea turnare sub presiune \u00eenalt\u0103 \u0219i este utilizat\u0103 pe scar\u0103 larg\u0103 pentru fabricarea eficient\u0103 a pieselor metalice complexe \u0219i precise. Utilizarea aliajelor neferoase, cunoscute [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":16967,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_titles_title":"Turnarea sub presiune 101: procesul \u0219i materialele metalice","_seopress_titles_desc":"Descoperi\u021bi toate aspectele turn\u0103rii sub presiune, de la proces la materialele metalice utilizate. 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